<h2>Settings:</h2>
<h4>environmet: <?php echo sfConfig::get('sf_environment');?></h4>
<table>
<?php foreach(sfConfig::getAll() as $name=>$value): ?>
<?php if( substr($name, 0, 4) == 'app_' ): ?>
    <tr>
        <th align='right' style='padding:10px;'><?php echo $name ?></th>
        <td><?php echo $value ?></td>
    </tr>
<?php endif; ?>
<?php endforeach; ?>
</table>